Important: Safety Warning
This page describes practices involving highly flammable materials in ways that create a serious risk of fire or explosion.
In addition, this page describes trade processes that use dangerously toxic materials such as cyanide solutions, mercury amalgams, or strong acids. These processes require training, equipment, and precautions far beyond what the text describes.
This information has been left in for historical purposes but should not be acted upon.
Home › Fluid Extracts › Oleoresin of Ginger
Oleoresin of Ginger
Take 12 The resulting liquid should be exposed in a troy ounces ginger in line powder, press it shallow dish (in summer to a draught of air ounces ginger in fine powder, press it shallow dish (in summer to a draught of air firmly into a cylindrical percolator, and pour under an open window, in winter on a shelf upon it 12 fluid ounces stronger ether; con- near the top of the room), and allowed to tinue the percolation with alcohol sufficient evaporate spontaneously until it measures 16 to displace 12 fluid ounces in all .
Recover fluid ounces; 30 or 40 grains bicarbonate of from this, by distillation n a water-bath, 9 potassa in powder may then be added, which fluid ounces ether, and expose the residue in retains the extractive in solution, and clears a capsule until the volatile part has evaporated. the liquid without interfering with its proper- Lastly, keep the oleoresin in a well-stoppered ties. The evaporation of this fluid extract bottle. (U. S. Ph.) may be continued. if desired, with a very gen-